On 9 Jul 2010, at 21:35, Eric Hammond wrote:

Abel:

Hi Eric,

Though Alestic.com (me) did publish Ubuntu 8.04 AMIs, I did not publish
the Ubuntu 10.04 Lucid AMIs.  These are provided by Canonical and I
recommend their use.

Thanks for the clarification on this. Indeed I used the ami-2d4aa444 that is referenced on your site, and that is also the Ubuntu official image built by
Canonical.

If you're building your own private AMI, you are free to hardcode
~/.ssh/authorized_keys for various users so that you can ssh in with
your own keys.  You aren't required to use EC2's key setup, though it
can be handy if you want different instances to be accessible using
different keys.

Indeed.

If you require the dynamic installation of keys and cloud-init does not
support multiple users,

That's the information I wanted. :)

you could create a startup job that copies the keys from one account
to another or downloads them from EC2's instance meta-data (just like
cloud-init does).

Yes, I want the dynamic installation of keys. A startup shell script is exactly what I had in my previous AMI based on Ubuntu 8.04. I could still use this. I was just looking into cloud-init features to see if my startup script had become superfluous.
Maybe not yet.

Thanks,

Abel

--
Eric Hammond

On 07/09/2010 05:45 AM, Abel Ureta-Vidal wrote:
Hi,

I'm moving from Ubuntu 8.04 LTS to 10.04 LTS. I'm using the alestic.com
32bits image.
I discovered the new cloud-init package. It is really great to help
configure our in house
image. Great work!

Now I'm upgrading our image. We have set up a specific user i.e.
'ensembl' that we use to
ssh in, so I wanted this user to get the EC2 credentials by updating its
~/.ssh/authorized_keys.

I found that by changing in /etc/cloud/cloud.cfg

user: ubuntu

to

user: ensembl

it makes the trick, but I'd like to keep the ability to ssh as ubuntu
user. I tried different syntax to include
both users

e.g.

user:
- ensembl
- ubuntu

or

user: ubuntu,ensembl

but neither worked. Is it even possible to configure multiple user
access directly in /etc/cloud/cloud.cfg?

Thanks for any hint you can provide.

Abel
*__*
*Abel Ureta-Vidal, PhD MBA*
*Managing Director, Eagle Genomics Ltd*
M: +44 7792 318503 | E: [email protected]
<mailto:[email protected]>
http://www.eaglegenomics.com <http://www.eaglegenomics.com/>


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__
Abel Ureta-Vidal, PhD MBA
Managing Director, Eagle Genomics Ltd
M: +44 7792 318503 | E: [email protected]
http://www.eaglegenomics.com

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